How to apply MPEG-DASH for eMBMS with the KeyOS Platform Andrew Popov, 8 April 2014, NAB 1 of 13 What is eMBMS ? eMBMS Traditional Broadcast DVB-H 1-SEG T-DMB Tuner Multicast (Broadcast) Mobile Device Modem Multicast Austin, TX, USA Phone 512.377.1340 Multicast Broadcast Tower Unicast (Communication) Separate Network and Bandwidth Multicast (Broadcast) Modem Cell Tower Cell Tower Mobile Device Unicast (Communication) Shared Bandwidth www.BuyDRM.com sales@buydrm.com 2 of 13 Problems and Solutions for Multicast • Problem : Wireless Multicast environment • Packet losses • No Modulation & Coding scheme adaptation • No retransmission • Solution : Forward Error Correction • Problem : FEC efficiency is low at “small size” (10KB) of source block • FEC need large numbers of source block to recover well • Solution : Use DASH segments rather than RTP frames •DASH segment have at least 1 GoP ( about 30 frames ) • Problem : DASH need file delivery • MPEG-DASH uses HTTP but HTTP can not be multicasted. • Solution : FLUTE for File Delivery Austin, TX, USA Phone 512.377.1340 www.BuyDRM.com sales@buydrm.com eMBMS uses MPEG-DASH with FLUTE / FEC 3 of 13 KeyOS - eMBMS Architecture for KT LTE Multicast Network ( Infra ) KeyOS DASH Multicast ( Server ) Encoder KeyOS BMSC Platform Platform Operator Portal Scheduler Session Control NetworkBMSC MBMS -GW KeyOS DASH Server MME Service Announcement Generator Flute FEC MCE LTE Multicast Network ( Client ) DASH Multicast ( Client ) Operator Application Middle-ware DASH Player FEC Flute eNB SA KeyOS Component User Data Control Modem 3rd Party component Austin, TX, USA Phone 512.377.1340 www.BuyDRM.com sales@buydrm.com 4 of 13 KeyOS DASH Multicast Architecture KeyOS DASH Multicast Servers Contents Provider KeyOS Client KeyOS Encoder KeyOS Client eMBMS KeyOS Key Mgmt. API KeyOS DRM License Server LTE Network DASH KeyOS Client KeyOS DASH Multicast Server KeyOS DASH Server Scheduler Flute FEC Service Announcement Generator Unicast HTTP origin KeyOS Client Public Wi-fi Wi-fi Router DASH Multicast network STB Edge Distribution M-Recv. M-Recv. M-Recv. CDN Edge Edge Edge KeyOS Media Server KeyOS Media Server DASH Austin, TX, USA Phone 512.377.1340 KeyOS Client KeyOS Client IPTV Unicast CDN KeyOS Client KeyOS Media Server MSSS KeyOS Clients Home Gateway MSSS KeyOS Media Server HLS M-Recv HOME GW KeyOS Media Server www.BuyDRM.com sales@buydrm.com HLS DASH Smart TV Chrome Cast Android Roku iOS XBOX PC & Mac PlayStation KeyOS Component Encrypted Multicast Encrypted Unicast 3rd Party component STB 5 of 13 Conclusion • MPEG DASH is unified secure delivery solution for all network environments using a common format and common DRM. • KeyOS DASH Multicast Architecture can be deployed today ! • Premium content can be broadcasted globally using the studio-approved KeyOS DRM Service. Austin, TX, USA Phone 512.377.1340 www.BuyDRM.com sales@buydrm.com 6 of 13 Please see our KeyOS DASH Multicast DEMO Q&A during DASH Reception Thank You. Andrew Popov, 8 April 2014, NAB andrew@buydrm.com http://www.buydrm.com 7 of 13
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